<!doctype html>
<html>
<head>
<meta charset="UTF-8"/>
<title>等宽格子堆砌</title>
<style>
*{padding:0;margin:0;}
#wrap{position:relative;zoom:1;margin:0px auto;}
#wrap li{width:250px;float:left;list-style:none;}
.boxCont{position:relative;margin:15px;border:1px solid #ccc;background:#eee;
background: -webkit-gradient(linear, 0% 20%, 0% 92%, from(#fff), to(#f3f3f3), color-stop(.1,#fff));
background: -webkit-linear-gradient(0 0 270deg, #f3f3f3, #f3f3f3 10%, #fff);
background: -moz-linear-gradient(0 0 270deg, #f3f3f3, #f3f3f3 10%, #fff);
background: -o-linear-gradient(0 0 270deg, #f3f3f3, #f3f3f3 10%, #fff);
-webkit-border-radius: 60px / 5px;
-moz-border-radius: 60px / 5px;
border-radius:60px / 5px;
-webkit-box-shadow: 0px 0px 35px rgba(0, 0, 0, 0.1) inset;
-moz-box-shadow: 0px 0px 35px rgba(0, 0, 0, 0.1) inset;
box-shadow: 0px 0px 35px rgba(0, 0, 0, 0.1) inset;
}
.boxCont:before{
content:'';
width: 50px;
height: 50px;
top:0; right:0;
position:absolute;
display: inline-block;
z-index:-1;
-webkit-box-shadow: 10px -10px 8px rgba(0, 0, 0, 0.2);
-moz-box-shadow: 10px -10px 8px rgba(0, 0, 0, 0.2);
box-shadow: 10px -10px 8px rgba(0, 0, 0, 0.2);
-webkit-transform: rotate(2deg) translate(-14px,20px) skew(-20deg);
-moz-transform: rotate(2deg) translate(-14px,20px) skew(-20deg);
-o-transform: rotate(2deg) translate(-14px,20px) skew(-20deg);
transform: rotate(2deg) translate(-14px,20px) skew(-20deg);
}
.boxCont:after{
content: '';
width: 100px;
height: 100px;
top:0; left:0;
position:absolute;
z-index:-1;
display: inline-block;
-webkit-box-shadow: -10px -10px 10px rgba(0, 0, 0, 0.2);
-moz-box-shadow: -10px -10px 10px rgba(0, 0, 0, 0.2);
box-shadow: -10px -10px 10px rgba(0, 0, 0, 0.2);
-webkit-transform: rotate(2deg) translate(20px,25px) skew(20deg);
-moz-transform: rotate(2deg) translate(20px,25px) skew(20deg);
-o-transform: rotate(2deg) translate(20px,25px) skew(20deg);
transform: rotate(2deg) translate(20px,25px) skew(20deg);
}
</style>
</head>
<body>
<ul id="wrap"></ul>
</body>
<script type="text/javascript">
var $id = function(o){ return document.getElementById(o) || o};
function sort(el){
	var h = [];
	var box = el.getElementsByTagName("li");
	var minH = box[0].offsetHeight,
	boxW = box[0].offsetWidth,
	boxH,
	n = document.documentElement.offsetWidth / boxW | 0; //计算页面能排下多少Pin
	el.style.width = n * boxW + "px";
	for(var i = 0; i < box.length; i++) {
			boxh = box[i].offsetHeight; //获取每个Pin的高度
		if(i < n) { //第一行Pin以浮动排列，不需绝对定位
			h[i] = boxh;
			box[i].style.position = '';
		} else {
			minH = Math.min.apply({},h); //取得各列累计高度最低的一列
			minKey = getarraykey(h, minH);
			h[minKey] += boxh ; //加上新高度后更新高度值
			box[i].style.position = 'absolute';
			box[i].style.top = minH + 'px';
			box[i].style.left = (minKey * boxW) + 'px';
		}
	}
};
/* 返回数组中某一值的对应项数 */
function getarraykey(s, v) {
	for(k in s) {
		if(s[k] == v) {
			return k;
		}
	}
};
/* 随机创建Pin */
var pin = '';
for(i = 0; i < 30; i++) {
height = Math.floor(Math.random()*200 + 200);
pin += '<li><div class="boxCont" style="height:' + height + 'px;"></div></li>';
};
$id("wrap").innerHTML = pin;
window.onload = window.onresize = function() {
sort($id("wrap"));
};
</script>
</html> 